New Rbx crash

gdb output - thr apply all bt.txt

Thread 29 (Thread 0x7fff86ffb700 (LWP 17872)):
#0  0x00007ffff72840fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000000000658fba in wait_until (ts=0x7fff86ff9c70, mutex=..., this=0x7fff7c014490) at vm/util/thread.hpp:446
#2  rubinius::Park::park_timed (this=0x7fff7c014490, state=0x7fff86ffae10, call_frame=0x7fff86ff9ff0, ts=0x7fff86ff9c70)
    at vm/park.cpp:49
#3  0x00000000006ef567 in rubinius::System::vm_sleep (state=0x7fff86ffae10, gct=..., duration=<optimized out>, 
    calling_environment=0x7fff86ff9ff0) at vm/builtin/system.cpp:754
#4  0x0000000000614c03 in rubinius::Primitives::vm_sleep (state=0x7fff86ffae10, call_frame=0x7fff86ff9ff0, exec=0x7ffff5a4e370, 
    mod=0x1695900, args=...) at vm/gen/method_primitives.cpp:22764
#5  0x00000000005bc84f in execute (args=..., call_frame=0x7fff86ff9ff0, state=0x7fff86ffae10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#6  rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x7fff7c013f50, call_frame=0x7fff86ff9ff0)
    at vm/gen/instruction_implementations.hpp:543
#7  0x000000000068e7f4 in rubinius::BlockEnvironment::execute_interpreter (state=0x7fff86ffae10, previous=0x7fff86ffa400, 
    env=0x7ffff6473788, args=..., invocation=...) at vm/builtin/block_environment.cpp:355
#8  0x000000000068ef15 in rubinius::BlockEnvironment::invoke (state=0x7fff86ffae10, previous=0x7fff86ffa420, env=0x7ffff6473788, 
    args=..., invocation=...) at vm/builtin/block_environment.cpp:88
#9  0x000000000068f00d in rubinius::BlockEnvironment::call (this=<optimized out>, state=<optimized out>, 
    call_frame=<optimized out>, args=..., flags=<optimized out>) at vm/builtin/block_environment.cpp:374
#10 0x00000000006e02ec in rubinius::Proc::call (this=0x7ffff6473c80, state=0x7fff86ffae10, call_frame=0x7fff86ffa420, args=...)
    at vm/builtin/proc.cpp:126
#11 0x00000000006266d1 in rubinius::Primitives::proc_call (state=0x7fff86ffae10, call_frame=0x7fff86ffa420, exec=0x7ffff5dd4530, 
    mod=0x1636460, args=...) at vm/gen/method_primitives.cpp:15253
#12 0x000000000078c7ea in execute (args=..., call_frame=0x7fff86ffa420, state=0x7fff86ffae10, this=0x7fffc4d6ed10)
    at vm/builtin/call_site.hpp:111
#13 rbx_splat_send_private (state=0x7fff86ffae10, call_frame=0x7fff86ffa420, call_site=0x7fffc4d6ed10, count=<optimized out>, 
    call_flags=<optimized out>, args=<optimized out>) at vm/llvm/jit_util.cpp:147
#14 0x00007ffff7f6193b in ?? ()
#15 0x0000000000000000 in ?? ()

Thread 28 (Thread 0x7fff873fc700 (LWP 17871)):
#0  0x00007ffff72840fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000006936e7 in wait_until (ts=0x7fff873f8c60, mutex=..., this=<optimized out>) at vm/util/thread.hpp:446
#2  rubinius::Channel::receive_timeout (this=<optimized out>, state=0x7fff873fbe10, gct=..., duration=0x7fff3b5e4e90, 
    call_frame=0x7fff873f91b8) at vm/builtin/channel.cpp:159
#3  0x00000000005f97de in rubinius::jit_stub_channel_receive_timeout (state=0x7fff873fbe10, call_frame=0x7fff873f91b8, 
    recv=<optimized out>, ra0=<optimized out>) at vm/gen/jit_primitives.cpp:1098
#4  0x00007fff6835ee46 in ?? ()
#5  0x00007fff873f8dd0 in ?? ()
#6  0x00007ffff63d7b80 in ?? ()
#7  0x00007fff873f8d90 in ?? ()
#8  0x000000000064aa77 in rubinius::Primitives::bignum_div (state=0x5e7580, call_frame=0x7fff873f91b8, exec=0x6cee, mod=0x1a, 
    args=...) at vm/gen/method_primitives.cpp:908
#9  0x00007fff6f0a378b in ?? ()
#10 0x00007fff873f9358 in ?? ()
#11 0x00007fffee75c5f0 in ?? ()
#12 0x00007fffe40c7660 in ?? ()
#13 0x00007fffee7a83e8 in ?? ()
#14 0x000000020000008c in ?? ()
#15 0x0000000000000000 in ?? ()

Thread 27 (Thread 0x7fff877fd700 (LWP 17870)):
#0  0x00007ffff6a94023 in select () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006b04e1 in rubinius::IO::select (state=0x7fffbc26bfb0, readables=0x7fff49727430, writables=0x1a, errorables=0x1a, 
    timeout=0x7270e01, calling_environment=0x7fffbc25e778) at vm/builtin/io.cpp:269
#2  0x00000000005f4363 in rubinius::jit_stub_io_select (state=0x7fffbc26bfb0, call_frame=0x7fffbc25e778, recv=<optimized out>, 
    ra0=<optimized out>, ra1=<optimized out>, ra2=<optimized out>, ra3=0x7270e01) at vm/gen/jit_primitives.cpp:3548
#3  0x00007fff8576c47d in ?? ()
#4  0x0000000007270e01 in ?? ()
#5  0x00007ffff63d16e0 in ?? ()
#6  0x0000000000010b87 in ?? ()
#7  0x00007ffff63d1738 in ?? ()
#8  0x0000000000000001 in ?? ()
#9  0x00007fffbc25e6e8 in ?? ()
#10 0x00007fffbc25e4e0 in ?? ()
#11 0x00000000007169b0 in flush (env=0x1a, this=<optimized out>) at vm/capi/handle.hpp:83
#12 rubinius::capi::HandleSet::flush_all (this=0x5f4320, env=0x1a) at vm/capi/handle.cpp:84
#13 0x00007fff6f30af5a in ?? ()
#14 0x00007ffff46079a0 in ?? ()
#15 0x00007fffe40f0200 in ?? ()
#16 0x00007ffff4a32e00 in ?? ()
#17 0x000000e70000000c in ?? ()
#18 0x00007fffbc25eed8 in ?? ()
#19 0x00007ffff63ee148 in ?? ()
#20 0x0000000000000000 in ?? ()

Thread 26 (Thread 0x7fff87bfe700 (LWP 17869)):
#0  0x00007ffff72870ad in connect () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fff275c164e in ?? ()
#2  0x00007fffbc2dd0a0 in ?? ()
#3  0x00007ffff64e1950 in ?? ()
#4  0x00007fffbc2dd860 in ?? ()
#5  0x0000000000000002 in ?? ()
#6  0x0000000000000000 in ?? ()

Thread 25 (Thread 0x7fff87fff700 (LWP 17868)):
#0  0x00007ffff72870ad in connect () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fff275c164e in ?? ()
#2  0x00007fffbc35e0a0 in ?? ()
#3  0x00007ffff66969f8 in ?? ()
#4  0x00007fffbc35e860 in ?? ()
#5  0x0000000000000002 in ?? ()
#6  0x0000000000000000 in ?? ()

Thread 24 (Thread 0x7fffbc7f0700 (LWP 17867)):
#0  0x000000000078d103 in rbx_destructure_inline_args (state=0x7fffbc3eefb0, call_frame=0x7fffbc3dc760, obj=0x7ffff5d03870, 
    vars=0x7fffbc3dc720, size=2) at vm/llvm/jit_util.cpp:344
#1  0x00007fff681b8c8b in ?? ()
#2  0x000000000000001a in ?? ()
#3  0x0000000001c391c0 in ?? ()
#4  0x000000000000001a in ?? ()
#5  0x0000000000016de6 in ?? ()
#6  0x00007fffbc3dc8d0 in ?? ()
#7  0x00007fffee3feb28 in ?? ()
#8  0x00007fffe445fd10 in ?? ()
#9  0x00007fffee4147a0 in ?? ()
#10 0x000000000000000c in ?? ()
#11 0x00007ffff5d60550 in ?? ()
#12 0x000000000000001a in ?? ()
#13 0x00007fffbc3dc3e8 in ?? ()
#14 0x0000000000000000 in ?? ()

Thread 23 (Thread 0x7fffbcc72700 (LWP 17866)):
#0  0x00007ffff6a94023 in select () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006b04e1 in rubinius::IO::select (state=0x7fffbc870fb0, readables=0x7fff2a0ffda0, writables=0x1a, errorables=0x1a, 
    timeout=0x7270e01, calling_environment=0x7fffbc85f6c8) at vm/builtin/io.cpp:269
#2  0x00000000005f4363 in rubinius::jit_stub_io_select (state=0x7fffbc870fb0, call_frame=0x7fffbc85f6c8, recv=<optimized out>, 
    ra0=<optimized out>, ra1=<optimized out>, ra2=<optimized out>, ra3=0x7270e01) at vm/gen/jit_primitives.cpp:3548
#3  0x00007fff8576c47d in ?? ()
#4  0x0000000007270e01 in ?? ()
#5  0x0000000000000000 in ?? ()

Thread 22 (Thread 0x7fffbd0f4700 (LWP 17865)):
#0  0x00007ffff6a94023 in select () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006b04e1 in rubinius::IO::select (state=0x7fffbccf2fb0, readables=0x7ffff66d1c28, writables=0x1a, errorables=0x1a, 
    timeout=0x7270e01, calling_environment=0x7fffbcce5778) at vm/builtin/io.cpp:269
#2  0x00000000005f4363 in rubinius::jit_stub_io_select (state=0x7fffbccf2fb0, call_frame=0x7fffbcce5778, recv=<optimized out>, 
    ra0=<optimized out>, ra1=<optimized out>, ra2=<optimized out>, ra3=0x7270e01) at vm/gen/jit_primitives.cpp:3548
#3  0x00007fff8576c47d in ?? ()
#4  0x0000000007270e01 in ?? ()
#5  0x00007ffff6551460 in ?? ()
#6  0x00000000000123c7 in ?? ()
#7  0x00007ffff65514b8 in ?? ()
#8  0x0000000000000001 in ?? ()
#9  0x00007fffbcce56e8 in ?? ()
#10 0x00007fffbcce54e0 in ?? ()
#11 0x00000000007169b0 in flush (env=0x1a, this=<optimized out>) at vm/capi/handle.hpp:83
#12 rubinius::capi::HandleSet::flush_all (this=0x5f4320, env=0x1a) at vm/capi/handle.cpp:84
#13 0x00007fff6f30af5a in ?? ()
#14 0x00007ffff46079a0 in ?? ()
#15 0x00007fffe40f0200 in ?? ()
#16 0x00007ffff4a32e00 in ?? ()
#17 0x000000e70000000c in ?? ()
#18 0x00007fffbcce5ed8 in ?? ()
#19 0x00007ffff6410ae8 in ?? ()
#20 0x0000000000000000 in ?? ()

Thread 21 (Thread 0x7fffbd576700 (LWP 17864)):
#0  0x00007ffff728689c in __lll_lock_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff7282065 in _L_lock_858 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007ffff7281eba in pthread_mutex_lock () from /lib/x86_64-linux-gnu/libpthread.so.0
#3  0x00000000007247a5 in lock (this=0x1655838) at vm/util/thread.hpp:349
#4  lock (this=0x7fffbd162680) at vm/util/thread.hpp:256
#5  StackLockGuard (in_lock=..., this=0x7fffbd162680) at vm/util/thread.hpp:279
#6  rubinius::FinalizerHandler::set_ruby_finalizer (this=0x1655780, obj=0x7ffff63b26f8, finalizer=0x7ffff63b2888)
    at vm/gc/finalize.cpp:402
#7  0x00000000006f0d18 in rubinius::System::vm_set_finalizer (state=<optimized out>, obj=<optimized out>, fin=<optimized out>)
    at vm/builtin/system.cpp:1339
#8  0x00000000005c9a65 in rubinius::invoke_vm_set_finalizer (state=0x7fffbd174fb0, call_frame=0x7fffbd1629b0, 
    args=<optimized out>, arg_count=<optimized out>) at vm/gen/invoke_primitives.cpp:10252
#9  0x00000000005be315 in rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x7fffa8007b60, 
    call_frame=0x7fffbd1629b0) at vm/gen/instruction_implementations.hpp:1342
#10 0x00000000005fd7cd in rubinius::MachineCode::execute_specialized<rubinius::GenericArguments> (state=0x7fffbd174fb0, 
    previous=0x7fffbd162b97, exec=0x7ffff5b7fe90, mod=0x190b2f0, args=...) at vm/machine_code.cpp:667
#11 0x00000000005bc84f in execute (args=..., call_frame=0x7fffbd162e90, state=0x7fffbd174fb0, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#12 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x7fffa80076d0, call_frame=0x7fffbd162e90)
    at vm/gen/instruction_implementations.hpp:543
#13 0x00000000005fd7cd in rubinius::MachineCode::execute_specialized<rubinius::GenericArguments> (state=0x7fffbd174fb0, 
    previous=0x7fffbd163067, exec=0x7fffee82c218, mod=0x1f3e4d0, args=...) at vm/machine_code.cpp:667
#14 0x00007fff6eed49cd in ?? ()
#15 0x00000000016307c0 in ?? ()
#16 0x000000000000001a in ?? ()
#17 0x00007fffbd163190 in ?? ()
#18 0x0000000000000000 in ?? ()

Thread 20 (Thread 0x7fffbd9f8700 (LWP 17863)):
#0  0x0000000000724834 in rubinius::FinalizerHandler::set_ruby_finalizer (this=<optimized out>, obj=0x7ffff63ac698, 
    finalizer=0x7ffff63ac828) at vm/gc/finalize.cpp:412
#1  0x00000000006f0d18 in rubinius::System::vm_set_finalizer (state=<optimized out>, obj=<optimized out>, fin=<optimized out>)
    at vm/builtin/system.cpp:1339
#2  0x00000000005c9a65 in rubinius::invoke_vm_set_finalizer (state=0x7fffbd5f6fb0, call_frame=0x7fffbd5e49b0, 
    args=<optimized out>, arg_count=<optimized out>) at vm/gen/invoke_primitives.cpp:10252
#3  0x00000000005be315 in rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x7fffa8007b60, 
    call_frame=0x7fffbd5e49b0) at vm/gen/instruction_implementations.hpp:1342
#4  0x00000000005fd7cd in rubinius::MachineCode::execute_specialized<rubinius::GenericArguments> (state=0x7fffbd5f6fb0, 
    previous=0x7fffbd5e4b97, exec=0x7ffff5b7fe90, mod=0x190b2f0, args=...) at vm/machine_code.cpp:667
#5  0x00000000005bc84f in execute (args=..., call_frame=0x7fffbd5e4e90, state=0x7fffbd5f6fb0, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#6  rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x7fffa80076d0, call_frame=0x7fffbd5e4e90)
    at vm/gen/instruction_implementations.hpp:543
#7  0x00000000005fd7cd in rubinius::MachineCode::execute_specialized<rubinius::GenericArguments> (state=0x7fffbd5f6fb0, 
    previous=0x7fffbd5e5067, exec=0x7fffee82c218, mod=0x1f3e4d0, args=...) at vm/machine_code.cpp:667
#8  0x00007fff6eed49cd in ?? ()
#9  0x00000000016307c0 in ?? ()
#10 0x000000000000001a in ?? ()
#11 0x00007fffbd5e5190 in ?? ()
#12 0x0000000000000000 in ?? ()

Thread 19 (Thread 0x7fffbddf9700 (LWP 17862)):
#0  0x00007ffff6a94023 in select () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006b04e1 in rubinius::IO::select (state=0x7fffc40b1fb0, readables=0x7ffff63af180, writables=0x1a, errorables=0x1a, 
    timeout=0x7270e01, calling_environment=0x7fffc40a06c8) at vm/builtin/io.cpp:269
#2  0x00000000005f4363 in rubinius::jit_stub_io_select (state=0x7fffc40b1fb0, call_frame=0x7fffc40a06c8, recv=<optimized out>, 
    ra0=<optimized out>, ra1=<optimized out>, ra2=<optimized out>, ra3=0x7270e01) at vm/gen/jit_primitives.cpp:3548
#3  0x00007fff8576c47d in ?? ()
#4  0x0000000007270e01 in ?? ()
#5  0x0000000000000000 in ?? ()

Thread 18 (Thread 0x7fffbe1fa700 (LWP 17861)):
#0  0x00007ffff72870ad in connect () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fff275c164e in ?? ()
#2  0x00007fffc41230a0 in ?? ()
#3  0x00007ffff6669ac0 in ?? ()
#4  0x00007fffc4123860 in ?? ()
#5  0x0000000000000002 in ?? ()
#6  0x0000000000000000 in ?? ()

Thread 17 (Thread 0x7fffbe5fb700 (LWP 17860)):
#0  0x00007ffff72870ad in connect () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fff275c164e in ?? ()
#2  0x00007fffc41a40a0 in ?? ()
#3  0x00007ffff6483938 in ?? ()
#4  0x00007fffc41a4860 in ?? ()
#5  0x0000000000000002 in ?? ()
#6  0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7fffbe9fc700 (LWP 17859)):
#0  0x00007ffff6a94023 in select () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006b04e1 in rubinius::IO::select (state=0x7fffc4234fb0, readables=0x7fff49c8bc70, writables=0x1a, errorables=0x1a, 
    timeout=0x7270e01, calling_environment=0x7fffc4227778) at vm/builtin/io.cpp:269
#2  0x00000000005f4363 in rubinius::jit_stub_io_select (state=0x7fffc4234fb0, call_frame=0x7fffc4227778, recv=<optimized out>, 
    ra0=<optimized out>, ra1=<optimized out>, ra2=<optimized out>, ra3=0x7270e01) at vm/gen/jit_primitives.cpp:3548
#3  0x00007fff8576c47d in ?? ()
#4  0x0000000007270e01 in ?? ()
#5  0x00007ffff64abcd8 in ?? ()
#6  0x000000000000d807 in ?? ()
#7  0x00007ffff64abd30 in ?? ()
#8  0x0000000000000001 in ?? ()
#9  0x00007fffc42276e8 in ?? ()
#10 0x00007fffc42274e0 in ?? ()
#11 0x00000000007169b0 in flush (env=0x1a, this=<optimized out>) at vm/capi/handle.hpp:83
#12 rubinius::capi::HandleSet::flush_all (this=0x5f4320, env=0x1a) at vm/capi/handle.cpp:84
#13 0x00007fff6f30af5a in ?? ()
#14 0x00007ffff46079a0 in ?? ()
#15 0x00007fffe40f0200 in ?? ()
#16 0x00007ffff4a32e00 in ?? ()
#17 0x000000e70000000c in ?? ()
#18 0x00007fffc4227ed8 in ?? ()
#19 0x00007ffff648b890 in ?? ()
#20 0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7fffbedfd700 (LWP 17858)):
#0  0x00007ffff72870ad in connect () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fff275c164e in ?? ()
#2  0x00007fffc42a60a0 in ?? ()
#3  0x00007ffff64ab958 in ?? ()
#4  0x00007fffc42a6860 in ?? ()
#5  0x0000000000000002 in ?? ()
#6  0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7fffbf1fe700 (LWP 17857)):
#0  0x00007ffff6a2e54a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fffc6dd5c16 in ?? () from /lib/x86_64-linux-gnu/libnss_dns.so.2
#2  0x00007ffff6a72c9a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x00007ffff6a7598e in getaddrinfo () from /lib/x86_64-linux-gnu/libc.so.6
#4  0x00007fff275b8709 in ?? ()
#5  0x00007fffc4336fb0 in ?? ()
#6  0x0000000000000012 in ?? ()
#7  0x00007fffc4329a80 in ?? ()
#8  0x000000000078f2d2 in rbx_flush_scope (state=<optimized out>, vars=<optimized out>) at vm/llvm/jit_util.cpp:1286
#9  0x00007fff275c8a86 in ?? ()
#10 0x00007fffc432a2d0 in ?? ()
#11 0x00007ffff5defa30 in ?? ()
#12 0x0000000000000031 in ?? ()
#13 0x0000000000000005 in ?? ()
#14 0x0000000000000001 in ?? ()
#15 0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7fffbf5ff700 (LWP 17856)):
#0  0x00007ffff72870ad in connect () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fff275c164e in ?? ()
#2  0x00007fffd00c80a0 in ?? ()
#3  0x00007ffff659a9b0 in ?? ()
#4  0x00007fffd00c8860 in ?? ()
#5  0x0000000000000002 in ?? ()
#6  0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7fffc4738700 (LWP 17855)):
#0  0x00007ffff7283d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000006937a5 in wait (mutex=..., this=<optimized out>) at vm/util/thread.hpp:434
#2  rubinius::Channel::receive_timeout (this=<optimized out>, state=0x7fffc4737e10, gct=..., duration=0x1a, 
    call_frame=0x7fffc47351b8) at vm/builtin/channel.cpp:161
#3  0x00000000005f97de in rubinius::jit_stub_channel_receive_timeout (state=0x7fffc4737e10, call_frame=0x7fffc47351b8, 
    recv=<optimized out>, ra0=<optimized out>) at vm/gen/jit_primitives.cpp:1098
#4  0x00007fff6835ee46 in ?? ()
#5  0x00007fffc4734d30 in ?? ()
#6  0x000000000070c707 in flush_to_heap_internal (state=0x7fffc4735148, this=0x7fffc4737e10) at vm/builtin/variable_scope.cpp:189
#7  rubinius::VariableScope::flush_to_heap_internal (this=0x7fffc4737e10, state=0x7fffc4735148)
    at vm/builtin/variable_scope.cpp:185
#8  0x00007fff6f0a378b in ?? ()
#9  0x000000000000000c in ?? ()
#10 0x00007ffff6698cc8 in ?? ()
#11 0x00007fffc4735340 in ?? ()
#12 0x00007fffc4735258 in ?? ()
#13 0x000000000000376e in ?? ()
#14 0x00007fffbf8622c0 in ?? ()
#15 0x0000000000019916 in ?? ()
#16 0x0000000000019916 in ?? ()
#17 0x000000000000001a in ?? ()
#18 0x00007ffff65992c8 in ?? ()
#19 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7fffc59c1700 (LWP 17854)):
#0  0x00007ffff72840fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000006936e7 in wait_until (ts=0x7fffc59bd420, mutex=..., this=<optimized out>) at vm/util/thread.hpp:446
#2  rubinius::Channel::receive_timeout (this=<optimized out>, state=0x7fffc59c0e10, gct=..., duration=0x7fff48f52770, 
    call_frame=0x7fffc59bd978) at vm/builtin/channel.cpp:159
#3  0x00000000005f97de in rubinius::jit_stub_channel_receive_timeout (state=0x7fffc59c0e10, call_frame=0x7fffc59bd978, 
    recv=<optimized out>, ra0=<optimized out>) at vm/gen/jit_primitives.cpp:1098
#4  0x00007fff6835ee46 in ?? ()
#5  0x00007fffc59bd590 in ?? ()
#6  0x00007ffff65bc940 in ?? ()
#7  0x00007fffc59bd550 in ?? ()
#8  0x000000000064aa77 in rubinius::Primitives::bignum_div (state=0x5e7580, call_frame=0x7fffc59bd978, exec=0x6cee, mod=0x1a, 
    args=...) at vm/gen/method_primitives.cpp:908
#9  0x00007fff6f0a378b in ?? ()
#10 0x00007ffff7fd5920 in ?? ()
#11 0x000000000001c216 in ?? ()
#12 0x00007ffff7fc1010 in ?? ()
#13 0x00007fffee7a83e8 in ?? ()
#14 0x000000000001c216 in ?? ()
#15 0x00007fffc59bdb50 in ?? ()
#16 0x00007fffee713f98 in ?? ()
#17 0x00007fffc59bda38 in ?? ()
#18 0x00007ffff7fe9090 in ?? ()
#19 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7fffec5d6700 (LWP 17166)):
#0  0x00007ffff7283d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000006937a5 in wait (mutex=..., this=<optimized out>) at vm/util/thread.hpp:434
#2  rubinius::Channel::receive_timeout (this=<optimized out>, state=0x7fffec5d5e10, gct=..., duration=0x1a, 
    call_frame=0x7fffec5d2d80) at vm/builtin/channel.cpp:161
#3  0x00000000006442cd in rubinius::Primitives::channel_receive_timeout (state=0x7fffec5d5e10, call_frame=0x7fffec5d2d80, 
    exec=0x7ffff5d6db30, mod=0x1636ac0, args=...) at vm/gen/method_primitives.cpp:3398
#4  0x00000000005bc84f in execute (args=..., call_frame=0x7fffec5d2d80, state=0x7fffec5d5e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#5  rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f22f80, call_frame=0x7fffec5d2d80)
    at vm/gen/instruction_implementations.hpp:543
#6  0x00000000005fd7cd in rubinius::MachineCode::execute_specialized<rubinius::GenericArguments> (state=0x7fffec5d5e10, 
    previous=0x7fffec5d2f77, exec=0x7ffff4e5e650, mod=0x1b8f5e0, args=...) at vm/machine_code.cpp:667
#7  0x00000000005bc84f in execute (args=..., call_frame=0x7fffec5d3270, state=0x7fffec5d5e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#8  rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x7fffe0002ce0, call_frame=0x7fffec5d3270)
    at vm/gen/instruction_implementations.hpp:543
#9  0x00000000005fd7cd in rubinius::MachineCode::execute_specialized<rubinius::GenericArguments> (state=0x7fffec5d5e10, 
    previous=0x7fffec5d34a7, exec=0x7ffff6867e18, mod=0x1ef7600, args=...) at vm/machine_code.cpp:667
#10 0x00000000005bc84f in execute (args=..., call_frame=0x7fffec5d37a0, state=0x7fffec5d5e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#11 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x7fffe00014a0, call_frame=0x7fffec5d37a0)
    at vm/gen/instruction_implementations.hpp:543
#12 0x00000000005ff5f4 in rubinius::MachineCode::execute_specialized<rubinius::NoArguments> (state=0x7fffec5d5e10, 
    previous=<optimized out>, exec=0x7ffff68fc830, mod=0x1f1e340, args=...) at vm/machine_code.cpp:667
#13 0x00000000005bc757 in execute (args=..., call_frame=0x7fffec5d3c70, state=0x7fffec5d5e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#14 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f6b990, call_frame=0x7fffec5d3c70)
    at vm/gen/instruction_implementations.hpp:526
#15 0x000000000068e7f4 in rubinius::BlockEnvironment::execute_interpreter (state=0x7fffec5d5e10, previous=0x7fffec5d4100, 
    env=0x7ffff640d1a8, args=..., invocation=...) at vm/builtin/block_environment.cpp:355
#16 0x000000000068ef15 in rubinius::BlockEnvironment::invoke (state=0x7fffec5d5e10, previous=0x7fffec5d41b0, env=0x7ffff640d1a8, 
    args=..., invocation=...) at vm/builtin/block_environment.cpp:88
#17 0x000000000068f00d in rubinius::BlockEnvironment::call (this=<optimized out>, state=<optimized out>, 
    call_frame=<optimized out>, args=..., flags=<optimized out>) at vm/builtin/block_environment.cpp:374
#18 0x00000000005bf33d in rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f6dce0, call_frame=0x7fffec5d41b0)
    at vm/gen/instruction_implementations.hpp:773
#19 0x000000000068e7f4 in rubinius::BlockEnvironment::execute_interpreter (state=0x7fffec5d5e10, previous=0x7fffec5d4700, 
    env=0x7ffff640d428, args=..., invocation=...) at vm/builtin/block_environment.cpp:355
#20 0x000000000068ef15 in rubinius::BlockEnvironment::invoke (state=0x7fffec5d5e10, previous=0x7fffec5d47e0, env=0x7ffff640d428, 
    args=..., invocation=...) at vm/builtin/block_environment.cpp:88
#21 0x000000000068f00d in rubinius::BlockEnvironment::call (this=<optimized out>, state=<optimized out>, 
    call_frame=<optimized out>, args=..., flags=<optimized out>) at vm/builtin/block_environment.cpp:374
#22 0x00000000006e02ec in rubinius::Proc::call (this=0x7ffff640d4e0, state=0x7fffec5d5e10, call_frame=0x7fffec5d47e0, args=...)
    at vm/builtin/proc.cpp:126
#23 0x00000000006266d1 in rubinius::Primitives::proc_call (state=0x7fffec5d5e10, call_frame=0x7fffec5d47e0, exec=0x7ffff5dd4530, 
    mod=0x1636460, args=...) at vm/gen/method_primitives.cpp:15253
#24 0x00000000005bcad4 in execute (args=..., call_frame=0x7fffec5d47e0, state=0x7fffec5d5e10, this=0x7ffff6894830)
    at vm/builtin/call_site.hpp:111
#25 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x16d7db0, call_frame=0x7fffec5d47e0)
    at vm/gen/instruction_implementations.hpp:590
#26 0x00000000005ff217 in rubinius::MachineCode::execute_specialized<rubinius::SplatOnlyArgument> (state=0x7fffec5d5e10, 
    previous=0x7fffec5d4ca0, exec=0x7ffff5dd3860, mod=0x1636460, args=...) at vm/machine_code.cpp:667
#27 0x00000000005bc84f in execute (args=..., call_frame=0x7fffec5d4ca0, state=0x7fffec5d5e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#28 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f6b110, call_frame=0x7fffec5d4ca0)
    at vm/gen/instruction_implementations.hpp:543
#29 0x000000000068e7f4 in rubinius::BlockEnvironment::execute_interpreter (state=0x7fffec5d5e10, previous=0x7fffec5d5300, 
    env=0x7ffff640d740, args=..., invocation=...) at vm/builtin/block_environment.cpp:355
#30 0x000000000068ef15 in rubinius::BlockEnvironment::invoke (state=0x7fffec5d5e10, previous=0x7fffec5d5300, env=0x7ffff640d740, 
    args=..., invocation=...) at vm/builtin/block_environment.cpp:88
#31 0x000000000068f00d in rubinius::BlockEnvironment::call (this=<optimized out>, state=<optimized out>, 
    call_frame=<optimized out>, args=..., flags=<optimized out>) at vm/builtin/block_environment.cpp:374
#32 0x00000000006e02ec in rubinius::Proc::call (this=0x7ffff640db58, state=0x7fffec5d5e10, call_frame=0x7fffec5d5300, args=...)
    at vm/builtin/proc.cpp:126
#33 0x00000000006266d1 in rubinius::Primitives::proc_call (state=0x7fffec5d5e10, call_frame=0x7fffec5d5300, exec=0x7ffff5dd4530, 
    mod=0x1636460, args=...) at vm/gen/method_primitives.cpp:15253
#34 0x00000000005bcad4 in execute (args=..., call_frame=0x7fffec5d5300, state=0x7fffec5d5e10, this=0x7ffff6894830)
    at vm/builtin/call_site.hpp:111
#35 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x16d7db0, call_frame=0x7fffec5d5300)
    at vm/gen/instruction_implementations.hpp:590
#36 0x00000000005ff217 in rubinius::MachineCode::execute_specialized<rubinius::SplatOnlyArgument> (state=0x7fffec5d5e10, 
    previous=0x7fffec5d57b0, exec=0x7ffff5dd3860, mod=0x1636460, args=...) at vm/machine_code.cpp:667
#37 0x00000000005bcad4 in execute (args=..., call_frame=0x7fffec5d57b0, state=0x7fffec5d5e10, this=0x7ffff63c9128)
    at vm/builtin/call_site.hpp:111
#38 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x16f7170, call_frame=0x7fffec5d57b0)
    at vm/gen/instruction_implementations.hpp:590
#39 0x00000000005ff5f4 in rubinius::MachineCode::execute_specialized<rubinius::NoArguments> (state=0x7fffec5d5e10, 
    previous=<optimized out>, exec=0x7ffff5a355b8, mod=0x1635040, args=...) at vm/machine_code.cpp:667
#40 0x000000000059917c in rubinius::Dispatch::send (this=0x7fffec5d5c40, state=0x7fffec5d5e10, call_frame=0x0, lookup=..., 
    args=..., reason=<optimized out>) at vm/dispatch.cpp:49
#41 0x00000000006c3706 in rubinius::Object::send (this=<optimized out>, state=<optimized out>, caller=<optimized out>, 
    name=<optimized out>, allow_private=<optimized out>) at vm/builtin/object.cpp:524
#42 0x00000000006f35e2 in rubinius::Thread::in_new_thread (ptr=0x7fffd8000f70) at vm/builtin/thread.cpp:248
#43 0x00007ffff727fe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#44 0x00007ffff6a9acbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#45 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7fffecad9700 (LWP 17165)):
#0  0x00007ffff7283d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000006937a5 in wait (mutex=..., this=<optimized out>) at vm/util/thread.hpp:434
#2  rubinius::Channel::receive_timeout (this=<optimized out>, state=0x7fffecad8e10, gct=..., duration=0x1a, 
    call_frame=0x7fffecad5d80) at vm/builtin/channel.cpp:161
#3  0x00000000006442cd in rubinius::Primitives::channel_receive_timeout (state=0x7fffecad8e10, call_frame=0x7fffecad5d80, 
    exec=0x7ffff5d6db30, mod=0x1636ac0, args=...) at vm/gen/method_primitives.cpp:3398
#4  0x00000000005bc84f in execute (args=..., call_frame=0x7fffecad5d80, state=0x7fffecad8e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#5  rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f22f80, call_frame=0x7fffecad5d80)
    at vm/gen/instruction_implementations.hpp:543
#6  0x00000000005fd7cd in rubinius::MachineCode::execute_specialized<rubinius::GenericArguments> (state=0x7fffecad8e10, 
    previous=0x7fffecad5f77, exec=0x7ffff4e5e650, mod=0x1b8f5e0, args=...) at vm/machine_code.cpp:667
#7  0x00000000005bc84f in execute (args=..., call_frame=0x7fffecad6270, state=0x7fffecad8e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#8  rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x7fffe0002ce0, call_frame=0x7fffecad6270)
    at vm/gen/instruction_implementations.hpp:543
#9  0x00000000005fd7cd in rubinius::MachineCode::execute_specialized<rubinius::GenericArguments> (state=0x7fffecad8e10, 
    previous=0x7fffecad64a7, exec=0x7ffff6867e18, mod=0x1ef7600, args=...) at vm/machine_code.cpp:667
#10 0x00000000005bc84f in execute (args=..., call_frame=0x7fffecad67a0, state=0x7fffecad8e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#11 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x7fffe00014a0, call_frame=0x7fffecad67a0)
    at vm/gen/instruction_implementations.hpp:543
#12 0x00000000005ff5f4 in rubinius::MachineCode::execute_specialized<rubinius::NoArguments> (state=0x7fffecad8e10, 
    previous=<optimized out>, exec=0x7ffff68fc830, mod=0x1f1e340, args=...) at vm/machine_code.cpp:667
#13 0x00000000005bc757 in execute (args=..., call_frame=0x7fffecad6c70, state=0x7fffecad8e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#14 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f6b990, call_frame=0x7fffecad6c70)
    at vm/gen/instruction_implementations.hpp:526
#15 0x000000000068e7f4 in rubinius::BlockEnvironment::execute_interpreter (state=0x7fffecad8e10, previous=0x7fffecad7100, 
    env=0x7ffff64028b0, args=..., invocation=...) at vm/builtin/block_environment.cpp:355
#16 0x000000000068ef15 in rubinius::BlockEnvironment::invoke (state=0x7fffecad8e10, previous=0x7fffecad71b0, env=0x7ffff64028b0, 
    args=..., invocation=...) at vm/builtin/block_environment.cpp:88
#17 0x000000000068f00d in rubinius::BlockEnvironment::call (this=<optimized out>, state=<optimized out>, 
    call_frame=<optimized out>, args=..., flags=<optimized out>) at vm/builtin/block_environment.cpp:374
#18 0x00000000005bf33d in rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f6dce0, call_frame=0x7fffecad71b0)
    at vm/gen/instruction_implementations.hpp:773
#19 0x000000000068e7f4 in rubinius::BlockEnvironment::execute_interpreter (state=0x7fffecad8e10, previous=0x7fffecad7700, 
    env=0x7ffff6402b30, args=..., invocation=...) at vm/builtin/block_environment.cpp:355
#20 0x000000000068ef15 in rubinius::BlockEnvironment::invoke (state=0x7fffecad8e10, previous=0x7fffecad77e0, env=0x7ffff6402b30, 
    args=..., invocation=...) at vm/builtin/block_environment.cpp:88
#21 0x000000000068f00d in rubinius::BlockEnvironment::call (this=<optimized out>, state=<optimized out>, 
    call_frame=<optimized out>, args=..., flags=<optimized out>) at vm/builtin/block_environment.cpp:374
#22 0x00000000006e02ec in rubinius::Proc::call (this=0x7ffff6402be8, state=0x7fffecad8e10, call_frame=0x7fffecad77e0, args=...)
    at vm/builtin/proc.cpp:126
#23 0x00000000006266d1 in rubinius::Primitives::proc_call (state=0x7fffecad8e10, call_frame=0x7fffecad77e0, exec=0x7ffff5dd4530, 
    mod=0x1636460, args=...) at vm/gen/method_primitives.cpp:15253
#24 0x00000000005bcad4 in execute (args=..., call_frame=0x7fffecad77e0, state=0x7fffecad8e10, this=0x7ffff6894830)
    at vm/builtin/call_site.hpp:111
#25 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x16d7db0, call_frame=0x7fffecad77e0)
    at vm/gen/instruction_implementations.hpp:590
#26 0x00000000005ff217 in rubinius::MachineCode::execute_specialized<rubinius::SplatOnlyArgument> (state=0x7fffecad8e10, 
    previous=0x7fffecad7ca0, exec=0x7ffff5dd3860, mod=0x1636460, args=...) at vm/machine_code.cpp:667
#27 0x00000000005bc84f in execute (args=..., call_frame=0x7fffecad7ca0, state=0x7fffecad8e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#28 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f6b110, call_frame=0x7fffecad7ca0)
    at vm/gen/instruction_implementations.hpp:543
#29 0x000000000068e7f4 in rubinius::BlockEnvironment::execute_interpreter (state=0x7fffecad8e10, previous=0x7fffecad8300, 
    env=0x7ffff6402e48, args=..., invocation=...) at vm/builtin/block_environment.cpp:355
#30 0x000000000068ef15 in rubinius::BlockEnvironment::invoke (state=0x7fffecad8e10, previous=0x7fffecad8300, env=0x7ffff6402e48, 
    args=..., invocation=...) at vm/builtin/block_environment.cpp:88
#31 0x000000000068f00d in rubinius::BlockEnvironment::call (this=<optimized out>, state=<optimized out>, 
    call_frame=<optimized out>, args=..., flags=<optimized out>) at vm/builtin/block_environment.cpp:374
#32 0x00000000006e02ec in rubinius::Proc::call (this=0x7ffff6403288, state=0x7fffecad8e10, call_frame=0x7fffecad8300, args=...)
    at vm/builtin/proc.cpp:126
#33 0x00000000006266d1 in rubinius::Primitives::proc_call (state=0x7fffecad8e10, call_frame=0x7fffecad8300, exec=0x7ffff5dd4530, 
    mod=0x1636460, args=...) at vm/gen/method_primitives.cpp:15253
#34 0x00000000005bcad4 in execute (args=..., call_frame=0x7fffecad8300, state=0x7fffecad8e10, this=0x7ffff6894830)
    at vm/builtin/call_site.hpp:111
#35 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x16d7db0, call_frame=0x7fffecad8300)
    at vm/gen/instruction_implementations.hpp:590
#36 0x00000000005ff217 in rubinius::MachineCode::execute_specialized<rubinius::SplatOnlyArgument> (state=0x7fffecad8e10, 
    previous=0x7fffecad87b0, exec=0x7ffff5dd3860, mod=0x1636460, args=...) at vm/machine_code.cpp:667
#37 0x00000000005bcad4 in execute (args=..., call_frame=0x7fffecad87b0, state=0x7fffecad8e10, this=0x7ffff63c9128)
    at vm/builtin/call_site.hpp:111
#38 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x16f7170, call_frame=0x7fffecad87b0)
    at vm/gen/instruction_implementations.hpp:590
#39 0x00000000005ff5f4 in rubinius::MachineCode::execute_specialized<rubinius::NoArguments> (state=0x7fffecad8e10, 
    previous=<optimized out>, exec=0x7ffff5a355b8, mod=0x1635040, args=...) at vm/machine_code.cpp:667
#40 0x000000000059917c in rubinius::Dispatch::send (this=0x7fffecad8c40, state=0x7fffecad8e10, call_frame=0x0, lookup=..., 
    args=..., reason=<optimized out>) at vm/dispatch.cpp:49
#41 0x00000000006c3706 in rubinius::Object::send (this=<optimized out>, state=<optimized out>, caller=<optimized out>, 
    name=<optimized out>, allow_private=<optimized out>) at vm/builtin/object.cpp:524
#42 0x00000000006f35e2 in rubinius::Thread::in_new_thread (ptr=0x1f237e0) at vm/builtin/thread.cpp:248
#43 0x00007ffff727fe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#44 0x00007ffff6a9acbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#45 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7fffeceda700 (LWP 17164)):
#0  0x00007ffff7283d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000006937a5 in wait (mutex=..., this=<optimized out>) at vm/util/thread.hpp:434
#2  rubinius::Channel::receive_timeout (this=<optimized out>, state=0x7fffeced9e10, gct=..., duration=0x1a, 
    call_frame=0x7fffeced6d80) at vm/builtin/channel.cpp:161
#3  0x00000000006442cd in rubinius::Primitives::channel_receive_timeout (state=0x7fffeced9e10, call_frame=0x7fffeced6d80, 
    exec=0x7ffff5d6db30, mod=0x1636ac0, args=...) at vm/gen/method_primitives.cpp:3398
#4  0x00000000005bc84f in execute (args=..., call_frame=0x7fffeced6d80, state=0x7fffeced9e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#5  rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f22f80, call_frame=0x7fffeced6d80)
    at vm/gen/instruction_implementations.hpp:543
#6  0x00000000005fd7cd in rubinius::MachineCode::execute_specialized<rubinius::GenericArguments> (state=0x7fffeced9e10, 
    previous=0x7fffeced6f77, exec=0x7ffff4e5e650, mod=0x1b8f5e0, args=...) at vm/machine_code.cpp:667
#7  0x00000000005bc84f in execute (args=..., call_frame=0x7fffeced7270, state=0x7fffeced9e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#8  rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x7fffe0002ce0, call_frame=0x7fffeced7270)
    at vm/gen/instruction_implementations.hpp:543
#9  0x00000000005fd7cd in rubinius::MachineCode::execute_specialized<rubinius::GenericArguments> (state=0x7fffeced9e10, 
    previous=0x7fffeced74a7, exec=0x7ffff6867e18, mod=0x1ef7600, args=...) at vm/machine_code.cpp:667
#10 0x00000000005bc84f in execute (args=..., call_frame=0x7fffeced77a0, state=0x7fffeced9e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#11 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x7fffe00014a0, call_frame=0x7fffeced77a0)
    at vm/gen/instruction_implementations.hpp:543
#12 0x00000000005ff5f4 in rubinius::MachineCode::execute_specialized<rubinius::NoArguments> (state=0x7fffeced9e10, 
    previous=<optimized out>, exec=0x7ffff68fc830, mod=0x1f1e340, args=...) at vm/machine_code.cpp:667
#13 0x00000000005bc757 in execute (args=..., call_frame=0x7fffeced7c70, state=0x7fffeced9e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#14 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f6b990, call_frame=0x7fffeced7c70)
    at vm/gen/instruction_implementations.hpp:526
#15 0x000000000068e7f4 in rubinius::BlockEnvironment::execute_interpreter (state=0x7fffeced9e10, previous=0x7fffeced8100, 
    env=0x7ffff63e54a8, args=..., invocation=...) at vm/builtin/block_environment.cpp:355
#16 0x000000000068ef15 in rubinius::BlockEnvironment::invoke (state=0x7fffeced9e10, previous=0x7fffeced81b0, env=0x7ffff63e54a8, 
    args=..., invocation=...) at vm/builtin/block_environment.cpp:88
#17 0x000000000068f00d in rubinius::BlockEnvironment::call (this=<optimized out>, state=<optimized out>, 
    call_frame=<optimized out>, args=..., flags=<optimized out>) at vm/builtin/block_environment.cpp:374
#18 0x00000000005bf33d in rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f6dce0, call_frame=0x7fffeced81b0)
    at vm/gen/instruction_implementations.hpp:773
#19 0x000000000068e7f4 in rubinius::BlockEnvironment::execute_interpreter (state=0x7fffeced9e10, previous=0x7fffeced8700, 
    env=0x7ffff63e5728, args=..., invocation=...) at vm/builtin/block_environment.cpp:355
#20 0x000000000068ef15 in rubinius::BlockEnvironment::invoke (state=0x7fffeced9e10, previous=0x7fffeced87e0, env=0x7ffff63e5728, 
    args=..., invocation=...) at vm/builtin/block_environment.cpp:88
#21 0x000000000068f00d in rubinius::BlockEnvironment::call (this=<optimized out>, state=<optimized out>, 
    call_frame=<optimized out>, args=..., flags=<optimized out>) at vm/builtin/block_environment.cpp:374
#22 0x00000000006e02ec in rubinius::Proc::call (this=0x7ffff63e57e0, state=0x7fffeced9e10, call_frame=0x7fffeced87e0, args=...)
    at vm/builtin/proc.cpp:126
#23 0x00000000006266d1 in rubinius::Primitives::proc_call (state=0x7fffeced9e10, call_frame=0x7fffeced87e0, exec=0x7ffff5dd4530, 
    mod=0x1636460, args=...) at vm/gen/method_primitives.cpp:15253
#24 0x00000000005bcad4 in execute (args=..., call_frame=0x7fffeced87e0, state=0x7fffeced9e10, this=0x7ffff6894830)
    at vm/builtin/call_site.hpp:111
#25 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x16d7db0, call_frame=0x7fffeced87e0)
    at vm/gen/instruction_implementations.hpp:590
#26 0x00000000005ff217 in rubinius::MachineCode::execute_specialized<rubinius::SplatOnlyArgument> (state=0x7fffeced9e10, 
    previous=0x7fffeced8ca0, exec=0x7ffff5dd3860, mod=0x1636460, args=...) at vm/machine_code.cpp:667
#27 0x00000000005bc84f in execute (args=..., call_frame=0x7fffeced8ca0, state=0x7fffeced9e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#28 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f6b110, call_frame=0x7fffeced8ca0)
    at vm/gen/instruction_implementations.hpp:543
#29 0x000000000068e7f4 in rubinius::BlockEnvironment::execute_interpreter (state=0x7fffeced9e10, previous=0x7fffeced9300, 
    env=0x7ffff63e5a40, args=..., invocation=...) at vm/builtin/block_environment.cpp:355
#30 0x000000000068ef15 in rubinius::BlockEnvironment::invoke (state=0x7fffeced9e10, previous=0x7fffeced9300, env=0x7ffff63e5a40, 
    args=..., invocation=...) at vm/builtin/block_environment.cpp:88
#31 0x000000000068f00d in rubinius::BlockEnvironment::call (this=<optimized out>, state=<optimized out>, 
    call_frame=<optimized out>, args=..., flags=<optimized out>) at vm/builtin/block_environment.cpp:374
#32 0x00000000006e02ec in rubinius::Proc::call (this=0x7ffff63e5e58, state=0x7fffeced9e10, call_frame=0x7fffeced9300, args=...)
    at vm/builtin/proc.cpp:126
#33 0x00000000006266d1 in rubinius::Primitives::proc_call (state=0x7fffeced9e10, call_frame=0x7fffeced9300, exec=0x7ffff5dd4530, 
    mod=0x1636460, args=...) at vm/gen/method_primitives.cpp:15253
#34 0x00000000005bcad4 in execute (args=..., call_frame=0x7fffeced9300, state=0x7fffeced9e10, this=0x7ffff6894830)
    at vm/builtin/call_site.hpp:111
#35 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x16d7db0, call_frame=0x7fffeced9300)
    at vm/gen/instruction_implementations.hpp:590
#36 0x00000000005ff217 in rubinius::MachineCode::execute_specialized<rubinius::SplatOnlyArgument> (state=0x7fffeced9e10, 
    previous=0x7fffeced97b0, exec=0x7ffff5dd3860, mod=0x1636460, args=...) at vm/machine_code.cpp:667
#37 0x00000000005bcad4 in execute (args=..., call_frame=0x7fffeced97b0, state=0x7fffeced9e10, this=0x7ffff63c9128)
    at vm/builtin/call_site.hpp:111
#38 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x16f7170, call_frame=0x7fffeced97b0)
    at vm/gen/instruction_implementations.hpp:590
#39 0x00000000005ff5f4 in rubinius::MachineCode::execute_specialized<rubinius::NoArguments> (state=0x7fffeced9e10, 
    previous=<optimized out>, exec=0x7ffff5a355b8, mod=0x1635040, args=...) at vm/machine_code.cpp:667
#40 0x000000000059917c in rubinius::Dispatch::send (this=0x7fffeced9c40, state=0x7fffeced9e10, call_frame=0x0, lookup=..., 
    args=..., reason=<optimized out>) at vm/dispatch.cpp:49
#41 0x00000000006c3706 in rubinius::Object::send (this=<optimized out>, state=<optimized out>, caller=<optimized out>, 
    name=<optimized out>, allow_private=<optimized out>) at vm/builtin/object.cpp:524
#42 0x00000000006f35e2 in rubinius::Thread::in_new_thread (ptr=0x7fffe000b4a0) at vm/builtin/thread.cpp:248
#43 0x00007ffff727fe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#44 0x00007ffff6a9acbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#45 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fffed2db700 (LWP 17163)):
#0  0x00007ffff7283d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000006937a5 in wait (mutex=..., this=<optimized out>) at vm/util/thread.hpp:434
#2  rubinius::Channel::receive_timeout (this=<optimized out>, state=0x7fffed2dae10, gct=..., duration=0x1a, 
    call_frame=0x7fffed2d7480) at vm/builtin/channel.cpp:161
#3  0x00000000006442cd in rubinius::Primitives::channel_receive_timeout (state=0x7fffed2dae10, call_frame=0x7fffed2d7480, 
    exec=0x7ffff5d6db30, mod=0x1636ac0, args=...) at vm/gen/method_primitives.cpp:3398
#4  0x00000000005bc84f in execute (args=..., call_frame=0x7fffed2d7480, state=0x7fffed2dae10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#5  rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f22f80, call_frame=0x7fffed2d7480)
    at vm/gen/instruction_implementations.hpp:543
#6  0x00000000005fd7cd in rubinius::MachineCode::execute_specialized<rubinius::GenericArguments> (state=0x7fffed2dae10, 
    previous=0x7fffed2d7677, exec=0x7ffff4e5e650, mod=0x1b8f5e0, args=...) at vm/machine_code.cpp:667
#7  0x00000000005bc84f in execute (args=..., call_frame=0x7fffed2d7970, state=0x7fffed2dae10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#8  rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x7fffe0002ce0, call_frame=0x7fffed2d7970)
    at vm/gen/instruction_implementations.hpp:543
#9  0x00000000005fd7cd in rubinius::MachineCode::execute_specialized<rubinius::GenericArguments> (state=0x7fffed2dae10, 
    previous=0x7fffed2d7ba7, exec=0x7ffff6867e18, mod=0x1ef7600, args=...) at vm/machine_code.cpp:667
#10 0x00000000005bc84f in execute (args=..., call_frame=0x7fffed2d7ea0, state=0x7fffed2dae10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#11 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x7fffe00014a0, call_frame=0x7fffed2d7ea0)
    at vm/gen/instruction_implementations.hpp:543
#12 0x00000000005ff5f4 in rubinius::MachineCode::execute_specialized<rubinius::NoArguments> (state=0x7fffed2dae10, 
    previous=<optimized out>, exec=0x7ffff68fc830, mod=0x1f1e340, args=...) at vm/machine_code.cpp:667
#13 0x00000000006967a5 in rubinius::CompiledCode::default_executor (state=0x7fffed2dae10, call_frame=0x7fffed2d86f0, 
    exec=0x7ffff68fc830, mod=0x1f1e340, args=...) at vm/builtin/compiledcode.cpp:221
#14 0x0000000000691328 in rubinius::CallSite::empty_cache_vcall (state=0x7fffed2dae10, call_site=0x7ffff63c4098, 
    call_frame=0x7fffed2d86f0, args=...) at vm/builtin/call_site.cpp:205
#15 0x00000000005bc757 in execute (args=..., call_frame=0x7fffed2d86f0, state=0x7fffed2dae10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#16 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f6b990, call_frame=0x7fffed2d86f0)
    at vm/gen/instruction_implementations.hpp:526
#17 0x000000000068e7f4 in rubinius::BlockEnvironment::execute_interpreter (state=0x7fffed2dae10, previous=0x7fffed2d8c00, 
    env=0x7ffff63c40e0, args=..., invocation=...) at vm/builtin/block_environment.cpp:355
#18 0x000000000068ef15 in rubinius::BlockEnvironment::invoke (state=0x7fffed2dae10, previous=0x7fffed2d8c30, env=0x7ffff63c40e0, 
    args=..., invocation=...) at vm/builtin/block_environment.cpp:88
#19 0x000000000068f00d in rubinius::BlockEnvironment::call (this=<optimized out>, state=<optimized out>, 
    call_frame=<optimized out>, args=..., flags=<optimized out>) at vm/builtin/block_environment.cpp:374
#20 0x00000000005bf33d in rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f6dce0, call_frame=0x7fffed2d8c30)
    at vm/gen/instruction_implementations.hpp:773
#21 0x000000000068e7f4 in rubinius::BlockEnvironment::execute_interpreter (state=0x7fffed2dae10, previous=0x7fffed2d9200, 
    env=0x7ffff63c4e28, args=..., invocation=...) at vm/builtin/block_environment.cpp:355
#22 0x000000000068ef15 in rubinius::BlockEnvironment::invoke (state=0x7fffed2dae10, previous=0x7fffed2d9260, env=0x7ffff63c4e28, 
    args=..., invocation=...) at vm/builtin/block_environment.cpp:88
#23 0x000000000068f00d in rubinius::BlockEnvironment::call (this=<optimized out>, state=<optimized out>, 
    call_frame=<optimized out>, args=..., flags=<optimized out>) at vm/builtin/block_environment.cpp:374
#24 0x00000000006e02ec in rubinius::Proc::call (this=0x7ffff63c4f98, state=0x7fffed2dae10, call_frame=0x7fffed2d9260, args=...)
    at vm/builtin/proc.cpp:126
#25 0x00000000006266d1 in rubinius::Primitives::proc_call (state=0x7fffed2dae10, call_frame=0x7fffed2d9260, exec=0x7ffff5dd4530, 
    mod=0x1636460, args=...) at vm/gen/method_primitives.cpp:15253
#26 0x00000000005bcad4 in execute (args=..., call_frame=0x7fffed2d9260, state=0x7fffed2dae10, this=0x7ffff6894830)
    at vm/builtin/call_site.hpp:111
#27 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x16d7db0, call_frame=0x7fffed2d9260)
    at vm/gen/instruction_implementations.hpp:590
#28 0x00000000005ff217 in rubinius::MachineCode::execute_specialized<rubinius::SplatOnlyArgument> (state=0x7fffed2dae10, 
    previous=0x7fffed2d99e0, exec=0x7ffff5dd3860, mod=0x1636460, args=...) at vm/machine_code.cpp:667
#29 0x00000000006923e0 in rubinius::CallSite::empty_cache (state=0x7fffed2dae10, call_site=0x7ffff63c63f0, 
    call_frame=0x7fffed2d99e0, args=...) at vm/builtin/call_site.cpp:109
#30 0x00000000005bc84f in execute (args=..., call_frame=0x7fffed2d99e0, state=0x7fffed2dae10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#31 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1f6b110, call_frame=0x7fffed2d99e0)
    at vm/gen/instruction_implementations.hpp:543
#32 0x000000000068e7f4 in rubinius::BlockEnvironment::execute_interpreter (state=0x7fffed2dae10, previous=0x7fffed2da000, 
    env=0x7ffff63c65a0, args=..., invocation=...) at vm/builtin/block_environment.cpp:355
#33 0x000000000068ef15 in rubinius::BlockEnvironment::invoke (state=0x7fffed2dae10, previous=0x7fffed2da040, env=0x7ffff63c65a0, 
    args=..., invocation=...) at vm/builtin/block_environment.cpp:88
#34 0x000000000068f00d in rubinius::BlockEnvironment::call (this=<optimized out>, state=<optimized out>, 
    call_frame=<optimized out>, args=..., flags=<optimized out>) at vm/builtin/block_environment.cpp:374
#35 0x00000000006e02ec in rubinius::Proc::call (this=0x7ffff63c6c18, state=0x7fffed2dae10, call_frame=0x7fffed2da040, args=...)
    at vm/builtin/proc.cpp:126
#36 0x00000000006266d1 in rubinius::Primitives::proc_call (state=0x7fffed2dae10, call_frame=0x7fffed2da040, exec=0x7ffff5dd4530, 
    mod=0x1636460, args=...) at vm/gen/method_primitives.cpp:15253
#37 0x00000000005bcad4 in execute (args=..., call_frame=0x7fffed2da040, state=0x7fffed2dae10, this=0x7ffff6894830)
    at vm/builtin/call_site.hpp:111
#38 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x16d7db0, call_frame=0x7fffed2da040)
    at vm/gen/instruction_implementations.hpp:590
#39 0x00000000005ff217 in rubinius::MachineCode::execute_specialized<rubinius::SplatOnlyArgument> (state=0x7fffed2dae10, 
    previous=0x7fffed2da7b0, exec=0x7ffff5dd3860, mod=0x1636460, args=...) at vm/machine_code.cpp:667
#40 0x00000000006923e0 in rubinius::CallSite::empty_cache (state=0x7fffed2dae10, call_site=0x7fffee477a38, 
    call_frame=0x7fffed2da7b0, args=...) at vm/builtin/call_site.cpp:109
#41 0x00000000005bcad4 in execute (args=..., call_frame=0x7fffed2da7b0, state=0x7fffed2dae10, this=0x7fffee477a38)
    at vm/builtin/call_site.hpp:111
#42 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x16f7170, call_frame=0x7fffed2da7b0)
    at vm/gen/instruction_implementations.hpp:590
#43 0x00000000005ff5f4 in rubinius::MachineCode::execute_specialized<rubinius::NoArguments> (state=0x7fffed2dae10, 
    previous=<optimized out>, exec=0x7ffff5a355b8, mod=0x1635040, args=...) at vm/machine_code.cpp:667
#44 0x000000000059917c in rubinius::Dispatch::send (this=0x7fffed2dac40, state=0x7fffed2dae10, call_frame=0x0, lookup=..., 
    args=..., reason=<optimized out>) at vm/dispatch.cpp:49
#45 0x00000000006c3706 in rubinius::Object::send (this=<optimized out>, state=<optimized out>, caller=<optimized out>, 
    name=<optimized out>, allow_private=<optimized out>) at vm/builtin/object.cpp:524
#46 0x00000000006f35e2 in rubinius::Thread::in_new_thread (ptr=0x1f38510) at vm/builtin/thread.cpp:248
#47 0x00007ffff727fe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#48 0x00007ffff6a9acbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#49 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fffedcf2700 (LWP 17162)):
#0  0x00007ffff7283d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000006937a5 in wait (mutex=..., this=<optimized out>) at vm/util/thread.hpp:434
#2  rubinius::Channel::receive_timeout (this=<optimized out>, state=0x7fffedcf1e10, gct=..., duration=0x1a, 
    call_frame=0x7fffedcf01a0) at vm/builtin/channel.cpp:161
#3  0x0000000000644484 in rubinius::Primitives::channel_receive (state=0x7fffedcf1e10, call_frame=0x7fffedcf01a0, 
    exec=0x7ffff5a3c338, mod=0x1636ac0, args=...) at vm/gen/method_primitives.cpp:3349
#4  0x00000000005bc84f in execute (args=..., call_frame=0x7fffedcf01a0, state=0x7fffedcf1e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#5  rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x7fffdc000960, call_frame=0x7fffedcf01a0)
    at vm/gen/instruction_implementations.hpp:543
#6  0x00000000005ff5f4 in rubinius::MachineCode::execute_specialized<rubinius::NoArguments> (state=0x7fffedcf1e10, 
    previous=<optimized out>, exec=0x7ffff666aa08, mod=0x1e46b50, args=...) at vm/machine_code.cpp:667
#7  0x00000000006967a5 in rubinius::CompiledCode::default_executor (state=0x7fffedcf1e10, call_frame=0x7fffedcf0a20, 
    exec=0x7ffff666aa08, mod=0x1e46b50, args=...) at vm/builtin/compiledcode.cpp:221
#8  0x0000000000691328 in rubinius::CallSite::empty_cache_vcall (state=0x7fffedcf1e10, call_site=0x7ffff66733f0, 
    call_frame=0x7fffedcf0a20, args=...) at vm/builtin/call_site.cpp:205
#9  0x00000000005bc757 in execute (args=..., call_frame=0x7fffedcf0a20, state=0x7fffedcf1e10, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#10 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1e46cf0, call_frame=0x7fffedcf0a20)
    at vm/gen/instruction_implementations.hpp:526
#11 0x000000000068e7f4 in rubinius::BlockEnvironment::execute_interpreter (state=0x7fffedcf1e10, previous=0x7fffedcf1000, 
    env=0x7ffff6673438, args=..., invocation=...) at vm/builtin/block_environment.cpp:355
#12 0x000000000068ef15 in rubinius::BlockEnvironment::invoke (state=0x7fffedcf1e10, previous=0x7fffedcf1040, env=0x7ffff6673438, 
    args=..., invocation=...) at vm/builtin/block_environment.cpp:88
#13 0x000000000068f00d in rubinius::BlockEnvironment::call (this=<optimized out>, state=<optimized out>, 
    call_frame=<optimized out>, args=..., flags=<optimized out>) at vm/builtin/block_environment.cpp:374
#14 0x00000000006e02ec in rubinius::Proc::call (this=0x7ffff6673c90, state=0x7fffedcf1e10, call_frame=0x7fffedcf1040, args=...)
    at vm/builtin/proc.cpp:126
#15 0x00000000006266d1 in rubinius::Primitives::proc_call (state=0x7fffedcf1e10, call_frame=0x7fffedcf1040, exec=0x7ffff5dd4530, 
    mod=0x1636460, args=...) at vm/gen/method_primitives.cpp:15253
#16 0x00000000005bcad4 in execute (args=..., call_frame=0x7fffedcf1040, state=0x7fffedcf1e10, this=0x7fffee2b37d8)
    at vm/builtin/call_site.hpp:111
#17 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x16d7db0, call_frame=0x7fffedcf1040)
    at vm/gen/instruction_implementations.hpp:590
#18 0x00000000005ff217 in rubinius::MachineCode::execute_specialized<rubinius::SplatOnlyArgument> (state=0x7fffedcf1e10, 
    previous=0x7fffedcf17b0, exec=0x7ffff5dd3860, mod=0x1636460, args=...) at vm/machine_code.cpp:667
#19 0x00000000006923e0 in rubinius::CallSite::empty_cache (state=0x7fffedcf1e10, call_site=0x7ffff5ad1958, 
    call_frame=0x7fffedcf17b0, args=...) at vm/builtin/call_site.cpp:109
#20 0x00000000005bcad4 in execute (args=..., call_frame=0x7fffedcf17b0, state=0x7fffedcf1e10, this=0x7ffff5ad1958)
    at vm/builtin/call_site.hpp:111
#21 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x16f7170, call_frame=0x7fffedcf17b0)
    at vm/gen/instruction_implementations.hpp:590
#22 0x00000000005ff5f4 in rubinius::MachineCode::execute_specialized<rubinius::NoArguments> (state=0x7fffedcf1e10, 
    previous=<optimized out>, exec=0x7ffff5a355b8, mod=0x1635040, args=...) at vm/machine_code.cpp:667
#23 0x000000000059917c in rubinius::Dispatch::send (this=0x7fffedcf1c40, state=0x7fffedcf1e10, call_frame=0x0, lookup=..., 
    args=..., reason=<optimized out>) at vm/dispatch.cpp:49
#24 0x00000000006c3706 in rubinius::Object::send (this=<optimized out>, state=<optimized out>, caller=<optimized out>, 
    name=<optimized out>, allow_private=<optimized out>) at vm/builtin/object.cpp:524
#25 0x00000000006f35e2 in rubinius::Thread::in_new_thread (ptr=0x1e47120) at vm/builtin/thread.cpp:248
#26 0x00007ffff727fe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#27 0x00007ffff6a9acbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#28 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fffefd9a700 (LWP 17073)):
#0  0x00007ffff7283d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x000000000079578d in wait (mutex=..., this=0x16b2288) at vm/util/thread.hpp:434
#2  rubinius::BackgroundCompilerThread::perform (this=0x16b2220) at vm/llvm/state.cpp:279
#3  0x0000000000795332 in rubinius::utilities::thread::Thread::trampoline (arg=<optimized out>) at vm/util/thread.hpp:79
#4  0x00007ffff727fe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007ffff6a9acbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7ffff52b1700 (LWP 17072)):
#0  0x00007ffff7283d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000000000724fb7 in wait (mutex=..., this=<optimized out>) at vm/util/thread.hpp:434
#2  rubinius::FinalizerHandler::worker_wait (this=<optimized out>) at vm/gc/finalize.cpp:502
#3  0x000000000072511b in rubinius::FinalizerHandler::perform (this=0x1655780, state=0x7ffff52b0e10) at vm/gc/finalize.cpp:219
#4  0x00000000007252c4 in rubinius::finalizer_handler_tramp (state=<optimized out>) at vm/gc/finalize.cpp:73
#5  0x00000000006f35e2 in rubinius::Thread::in_new_thread (ptr=0x1695b90) at vm/builtin/thread.cpp:248
#6  0x00007ffff727fe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007ffff6a9acbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ffff56d5700 (LWP 17071)):
#0  0x00007ffff7283d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000000000663355 in wait (mutex=..., this=0x1655e10) at vm/util/thread.hpp:434
#2  rubinius::SignalHandler::perform (this=0x1655c60, state=0x7ffff56d4e10) at vm/signal.cpp:162
#3  0x0000000000663544 in rubinius::signal_handler_tramp (state=<optimized out>) at vm/signal.cpp:29
#4  0x00000000006f35e2 in rubinius::Thread::in_new_thread (ptr=0x1655eb0) at vm/builtin/thread.cpp:248
#5  0x00007ffff727fe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffff6a9acbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffff7feb740 (LWP 17068)):
#0  0x00007ffff6a94023 in select () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006b04e1 in rubinius::IO::select (state=0x16019f0, readables=0x7fffbf8665a0, writables=0x1a, errorables=0x1a, 
    timeout=0x1a, calling_environment=0x7fffffff97b0) at vm/builtin/io.cpp:269
#2  0x00000000006321c7 in rubinius::Primitives::io_select (state=0x16019f0, call_frame=0x7fffffff97b0, exec=0x7ffff5ecc200, 
    mod=0x16316b0, args=...) at vm/gen/method_primitives.cpp:10331
#3  0x00000000006923e0 in rubinius::CallSite::empty_cache (state=0x16019f0, call_site=0x7fffc7585540, call_frame=0x7fffffff97b0, 
    args=...) at vm/builtin/call_site.cpp:109
#4  0x00000000005bc84f in execute (args=..., call_frame=0x7fffffff97b0, state=0x16019f0, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#5  rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x2ce6780, call_frame=0x7fffffff97b0)
    at vm/gen/instruction_implementations.hpp:543
#6  0x00000000005fd7cd in rubinius::MachineCode::execute_specialized<rubinius::GenericArguments> (state=0x16019f0, 
    previous=0x7fffffff99a7, exec=0x7ffff5ae3428, mod=0x16316b0, args=...) at vm/machine_code.cpp:667
#7  0x00000000006923e0 in rubinius::CallSite::empty_cache (state=0x16019f0, call_site=0x7ffff64ab558, call_frame=0x7fffffff9f60, 
    args=...) at vm/builtin/call_site.cpp:109
#8  0x00000000005bc84f in execute (args=..., call_frame=0x7fffffff9f60, state=0x16019f0, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#9  rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x348d290, call_frame=0x7fffffff9f60)
    at vm/gen/instruction_implementations.hpp:543
#10 0x00000000005ff5f4 in rubinius::MachineCode::execute_specialized<rubinius::NoArguments> (state=0x16019f0, 
    previous=<optimized out>, exec=0x7ffff4d4b470, mod=0x1ea3fc0, args=...) at vm/machine_code.cpp:667
#11 0x00000000006967a5 in rubinius::CompiledCode::default_executor (state=0x16019f0, call_frame=0x7fffffffa7c0, 
    exec=0x7ffff4d4b470, mod=0x1ea3fc0, args=...) at vm/builtin/compiledcode.cpp:221
#12 0x00000000006923e0 in rubinius::CallSite::empty_cache (state=0x16019f0, call_site=0x7ffff4cae498, call_frame=0x7fffffffa7c0, 
    args=...) at vm/builtin/call_site.cpp:109
#13 0x00000000005bc84f in execute (args=..., call_frame=0x7fffffffa7c0, state=0x16019f0, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#14 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1b95130, call_frame=0x7fffffffa7c0)
    at vm/gen/instruction_implementations.hpp:543
#15 0x00000000005fd1ca in rubinius::MachineCode::execute_as_script (this=<optimized out>, state=0x16019f0, code=0x7ffff63e7150, 
    previous=<optimized out>) at vm/machine_code.cpp:730
#16 0x00000000006f153d in rubinius::System::vm_run_script (state=<optimized out>, gct=..., code=0x7ffff4cad340, 
    calling_environment=0x7fffffffaf80) at vm/builtin/system.cpp:1570
#17 0x0000000000615a4f in rubinius::Primitives::vm_run_script (state=0x16019f0, call_frame=0x7fffffffaf80, exec=0x7ffff5aae9f0, 
    mod=0x165f9a0, args=...) at vm/gen/method_primitives.cpp:22380
#18 0x00000000006923e0 in rubinius::CallSite::empty_cache (state=0x16019f0, call_site=0x7ffff63e21e0, call_frame=0x7fffffffaf80, 
    args=...) at vm/builtin/call_site.cpp:109
#19 0x00000000005bc84f in execute (args=..., call_frame=0x7fffffffaf80, state=0x16019f0, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#20 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x168c700, call_frame=0x7fffffffaf80)
    at vm/gen/instruction_implementations.hpp:543
#21 0x00000000005fd7cd in rubinius::MachineCode::execute_specialized<rubinius::GenericArguments> (state=0x16019f0, 
    previous=0x7fffffffb167, exec=0x7ffff5a6b9c8, mod=0x1695900, args=...) at vm/machine_code.cpp:667
#22 0x00000000006967a5 in rubinius::CompiledCode::default_executor (state=0x16019f0, call_frame=0x7fffffffb7e0, 
    exec=0x7ffff5a6b9c8, mod=0x1695900, args=...) at vm/builtin/compiledcode.cpp:221
#23 0x0000000000691b80 in rubinius::CallSite::empty_cache_private (state=0x16019f0, call_site=0x7ffff63d9a28, 
    call_frame=0x7fffffffb7e0, args=...) at vm/builtin/call_site.cpp:156
#24 0x00000000005bc84f in execute (args=..., call_frame=0x7fffffffb7e0, state=0x16019f0, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#25 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x199af40, call_frame=0x7fffffffb7e0)
    at vm/gen/instruction_implementations.hpp:543
#26 0x00000000005fd1ca in rubinius::MachineCode::execute_as_script (this=<optimized out>, state=0x16019f0, code=0x7ffff63b7c58, 
    previous=<optimized out>) at vm/machine_code.cpp:730
#27 0x00000000006f153d in rubinius::System::vm_run_script (state=<optimized out>, gct=..., code=0x7ffff4cac180, 
    calling_environment=0x7fffffffbfa0) at vm/builtin/system.cpp:1570
#28 0x0000000000615a4f in rubinius::Primitives::vm_run_script (state=0x16019f0, call_frame=0x7fffffffbfa0, exec=0x7ffff5aae9f0, 
    mod=0x165f9a0, args=...) at vm/gen/method_primitives.cpp:22380
#29 0x00000000006923e0 in rubinius::CallSite::empty_cache (state=0x16019f0, call_site=0x7ffff68802b0, call_frame=0x7fffffffbfa0, 
    args=...) at vm/builtin/call_site.cpp:109
#30 0x00000000005bc84f in execute (args=..., call_frame=0x7fffffffbfa0, state=0x16019f0, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#31 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1d0ecb0, call_frame=0x7fffffffbfa0)
    at vm/gen/instruction_implementations.hpp:543
#32 0x00000000005fed8c in rubinius::MachineCode::execute_specialized<rubinius::OneArgument> (state=0x16019f0, 
    previous=<optimized out>, exec=0x7ffff615aa10, mod=0x182d7c0, args=...) at vm/machine_code.cpp:667
#33 0x00000000006967a5 in rubinius::CompiledCode::default_executor (state=0x16019f0, call_frame=0x7fffffffc7c0, 
    exec=0x7ffff615aa10, mod=0x182d7c0, args=...) at vm/builtin/compiledcode.cpp:221
#34 0x00000000006923e0 in rubinius::CallSite::empty_cache (state=0x16019f0, call_site=0x7ffff6693498, call_frame=0x7fffffffc7c0, 
    args=...) at vm/builtin/call_site.cpp:109
#35 0x00000000005bc84f in execute (args=..., call_frame=0x7fffffffc7c0, state=0x16019f0, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#36 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1d1e8d0, call_frame=0x7fffffffc7c0)
    at vm/gen/instruction_implementations.hpp:543
#37 0x00000000005fd7cd in rubinius::MachineCode::execute_specialized<rubinius::GenericArguments> (state=0x16019f0, 
    previous=0x7fffffffc987, exec=0x7ffff5ec0cc0, mod=0x182d860, args=...) at vm/machine_code.cpp:667
#38 0x00000000006967a5 in rubinius::CompiledCode::default_executor (state=0x16019f0, call_frame=0x7fffffffd000, 
    exec=0x7ffff5ec0cc0, mod=0x182d860, args=...) at vm/builtin/compiledcode.cpp:221
#39 0x00000000006923e0 in rubinius::CallSite::empty_cache (state=0x16019f0, call_site=0x7ffff66844c0, call_frame=0x7fffffffd000, 
    args=...) at vm/builtin/call_site.cpp:109
#40 0x00000000005bc84f in execute (args=..., call_frame=0x7fffffffd000, state=0x16019f0, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#41 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x1d1e7c0, call_frame=0x7fffffffd000)
    at vm/gen/instruction_implementations.hpp:543
#42 0x00000000005ff5f4 in rubinius::MachineCode::execute_specialized<rubinius::NoArguments> (state=0x16019f0, 
    previous=<optimized out>, exec=0x7ffff6038e90, mod=0x1657f70, args=...) at vm/machine_code.cpp:667
#43 0x00000000006967a5 in rubinius::CompiledCode::default_executor (state=0x16019f0, call_frame=0x7fffffffd830, 
    exec=0x7ffff6038e90, mod=0x1657f70, args=...) at vm/builtin/compiledcode.cpp:221
#44 0x0000000000691328 in rubinius::CallSite::empty_cache_vcall (state=0x16019f0, call_site=0x7ffff61263d8, 
    call_frame=0x7fffffffd830, args=...) at vm/builtin/call_site.cpp:205
#45 0x00000000005bc757 in execute (args=..., call_frame=0x7fffffffd830, state=0x16019f0, this=<optimized out>)
    at vm/builtin/call_site.hpp:111
#46 rubinius::MachineCode::interpreter (state=<optimized out>, mcode=0x19e6a00, call_frame=0x7fffffffd830)
    at vm/gen/instruction_implementations.hpp:526
#47 0x00000000005ff5f4 in rubinius::MachineCode::execute_specialized<rubinius::NoArguments> (state=0x16019f0, 
    previous=<optimized out>, exec=0x7ffff64ceed8, mod=0x1657f70, args=...) at vm/machine_code.cpp:667
#48 0x00000000006967a5 in rubinius::CompiledCode::default_executor (state=0x16019f0, call_frame=0x0, exec=0x7ffff64ceed8, 
    mod=0x1657f70, args=...) at vm/builtin/compiledcode.cpp:221
#49 0x000000000059917c in rubinius::Dispatch::send (this=0x7fffffffdd40, state=0x16019f0, call_frame=0x0, lookup=..., args=..., 
    reason=<optimized out>) at vm/dispatch.cpp:49
#50 0x00000000006c3706 in rubinius::Object::send (this=<optimized out>, state=<optimized out>, caller=<optimized out>, 
    name=<optimized out>, allow_private=<optimized out>) at vm/builtin/object.cpp:524
#51 0x000000000059f0b6 in rubinius::Environment::run_from_filesystem (this=0x7fffffffdec0) at vm/environment.cpp:909
#52 0x000000000055c1e1 in main (argc=<optimized out>, argv=<optimized out>) at vm/drivers/cli.cpp:54

rubinius_last_error_5187

[[Backtrace]]
rbx[0x599ad0]
/lib/x86_64-linux-gnu/libpthread.so.0(+0xfcb0)[0x7f9533b7dcb0]
/lib/x86_64-linux-gnu/libc.so.6(+0x8754a)[0x7f953332454a]
/lib/x86_64-linux-gnu/libnss_dns.so.2(+0x3c16)[0x7f95037e7c16]
/lib/x86_64-linux-gnu/libc.so.6(+0xcbc9a)[0x7f9533368c9a]
/lib/x86_64-linux-gnu/libc.so.6(getaddrinfo+0xde)[0x7f953336b98e]
[0x7f94bc7ec709]

[[System Info]]
sysname: Linux
nodename: emp
release: 3.2.0-33-generic
version: #52-Ubuntu SMP Thu Oct 18 16:29:15 UTC 2012
machine: x86_64

run "thr apply all bt" in GDB when it repros